frustrate vs suffice

frustrate

verb
  • To disappoint or defeat; to vex by depriving of something expected or desired. 

  • To cause stress or annoyance. 

  • To hinder or thwart. 

adj
  • ineffectual; useless; fruitless. 

suffice

verb
  • To satisfy; to content; to be equal to the wants or demands of. 

  • To be enough or sufficient; to meet the need (of anything); to be adequate; to be good enough. 

  • To furnish; to supply adequately. 

How often have the words frustrate and suffice occurred in a corpus of books? (source: Google Ngram Viewer )